Browsing College of Arts & Sciences by Title
Now showing items 1621-1640 of 3321
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Kinetics and thermodynamics of enhanced adsorption of the dye AR 18 using activated carbons prepared from walnut and poplar woods
( Elsevier , 2015 , Article)Activated carbons prepared from walnut and poplar woods are used as economical adsorbents for the rapid removal and fast adsorption of Acid Red 18 dye from the aqueous solutions; the kinetics, isotherm and thermodynamics ... -
Kinetics of alizarin dye hydrolysis in alkaline medium for wastewater treatment
( Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR , 2021 , Article)The kinetics of the hydrolysis of Alizarin dye (ALZ) in the basic medium is investigated for the purpose of wastewater treatment. ALZ represents a group of aromatic dyes, that are heavy, toxic, and non-biodegradable. The ... -
Kinetics of alkoxysilanes and organoalkoxysilanes polymerization: A review
( MDPI AG , 2019 , Article Review)Scientists from various different fields use organo-trialkoxysilanes and tetraalkoxysilanes in a number of applications. The silica-based materials are sometimes synthesized without a good understanding of the underlying ... -
Kinetics of alkoxysilanes hydrolysis: An empirical approach
( Nature Research , 2019 , Article)Alkoxysilanes and organoalkoxysilanes are primary materials in several industries, e.g. coating, anti-corrosion treatment, fabrication of stationary phase for chromatography, and coupling agents. The hydrolytic polycondensation ... -
Knockout mice: Is it just genetics? Effect of enriched housing on fibulin-4+/- mice
( Public Library of Science , 2007 , Article)Background. Fibulin-4 is an extracellular matrix protein expressed by vascular smooth muscle cells that is essential for maintaining arterial integrity. Fibulin-4-/- mice die just before birth due to arterial hemorrhage, ... -
Knowledge and innovation in the Lebanese software industry
( Cogent OA , 2018 , Article)The software industry is strongly influenced by knowledge and innovation. The ability to develop new solutions and services is considered essential to firm survival and growth. The innovation process, being long and costly, ... -
Knowledge, Attitude, and Perception of Students Regarding Renewable Energies in Agriculture in Guilan, Iran
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)Transitioning from fossil to renewable energy is a global challenge, especially for countries with large fossil-fuel reserves and exports, such as Iran. This study analyses agricultural students' knowledge of, attitudes ... -
Knowledge, Attitude, Practices, and Sources of Information (KAPS) toward COVID-19 during the second wave pandemic among university population in Qatar: A cross-sectional study
( Frontiers Media , 2022 , Article)Background: The World Health Organization (WHO) declared COVID-19 as a pandemic on 11 March 2020. Many efforts were performed to contain the virus worldwide. People's knowledge and attitude should be directed toward strict ... -
Koopman Operator Approximation Under Negative Imaginary Constraints
( Institute of Electrical and Electronics Engineers Inc. , 2023 , Article)Nonlinear Negative Imaginary (NI) systems arise in various engineering applications, such as controlling flexible structures and air vehicles. However, unlike linear NI systems, their theory is not well-developed. In this ... -
Kuwait Islamists: From Institutionalized to Informal Opposition
( ministry of research, science and technology , 2019 , Article)This article analyses the evolution of the Islamist political associations and groups, both Shiites and Sunnis since the independence of Kuwait in 1962 to the last legislative elections which was held in 2016. It tries to ... -
Kuwait's Mediation in the Gulf Crisis: Dynamics of Kuwait's Foreign Policy Approaches
( Springer , 2023 , Book chapter)This study examines Kuwaiti mediation in the 2017 Gulf crisis from the perspective of the disputants-mainly Saudi Arabia, the United Arab Emirates, and Qatar-and the mediator-Kuwait. While using qualitative research method ... -
Kuwait’s Islamist Proto-parties and the Arab Uprisings: Between Opposition, Pragmatism and the Pursuit of Cross-Ideological Cooperation
( edinburgh university press , 2018 , Book chapter)Exploring the evolution of Islamist proto-parties in Kuwait, this chapter revealed that in the aft ermath of the Arab uprisings their behaviour was guided mostly by pragmatism, albeit with diff erent outcomes. As we have ... -
KYNU, a novel potential target that underpins CD44-promoted breast tumour cell invasion
( Blackwell Publishing Inc. , 2021 , Article Review)Using a validated tetracycline-off-inducible CD44 expression system in mouse model, we have previously demonstrated that the hyaluronan (HA) receptor CD44 promotes breast cancer (BC) metastasis to the liver. To unravel the ... -
Kynurenine 3-Monooxygenase gene associated with Nicotine initiation and addiction: Analysis of novel regulatory features at 5' and 3'-Regions
( Frontiers Media S.A. , 2018 , Article)© 2018 Aziz, Abdel-Salam, Al-Obaide, Alobydi and Al-Humaish. Tobacco smoking is widespread behavior in Qatar and worldwide and is considered one of the major preventable causes of ill health and death. Nicotine is part of ... -
L'OTAN et le Maghreb
( L'Harmattan , 2014 , Book)Le Maghreb n’a jamais eu de place majeure dans les politiques et les stratégies de l’OTAN. Pourtant, après la chute de l’Union Soviétique, des approches visant à intégrer dans un dispositif coopératif simplifié les États ... -
l-Proline-Catalyzed Three-Component Reaction of 4-Chloro-3-formylcoumarin, Sodium Sulfide, and α-Halo Ketones: A Direct Approach to Thieno[3,2- c ]coumarins
( Georg Thieme Verlag KG , 2023 , Other)A new protocol for the synthesis of thieno[3,2-c]coumarins is disclosed. In this method, a 3-formyl-2-oxo-2H-chromene-4-thiolate anion is generated in situ by treatment of 4-chloro-3-formylcoumarin with sodium sulfide. ... -
La Convivencia: The Spirit of Co-existence in Islam
( Islamic Research Institute, International Islamic University, Islamabad , 2009 , Article)The tremendous inter-dependence of our era underlines the importance of successfully removing racial, cultural and religious barriers in a manner that nurtures understanding, togetherness, and acceptance. To do so, would ... -
La República Islámica de Irán en perspectiva
( Fundación Dialnet , 2019 , Article)En febrero de 2019 la República Islámica de Irán acaba de cumplir cuarenta años de edad. Lejos queda la imagen del ayatollah Ruhollah Jomeiní regresando a Teherán desde su exilio en Neauphle le Châteaux, recibido en clamor ... -
Labels of origin and terroir: the case of the certified wine label ‘Québec Certified Wines’ and the protected geographical indication ‘Ice wine Québec’
( Routledge , 2016 , Article)Today, agriculture and agri-food are at the heart of the changes affecting contemporary economies with the tension between globalization and return to the territories. Consequently the food industry provides a good ... -
Laboring to communicate: Use of migrant languages in COVID-19 awareness campaign in Qatar
( De Gruyter , 2021 , Article)This study examines the communication strategies employed by Qatar's government in dealing with the COVID-19 pandemic. The study contributes to a growing body of work on the sociolinguistics of crisis communication. We ...